EP2293292A4 - Quantificateur, codeur et procédés associés - Google Patents

Quantificateur, codeur et procédés associés

Info

Publication number
EP2293292A4
EP2293292A4 EP09766443A EP09766443A EP2293292A4 EP 2293292 A4 EP2293292 A4 EP 2293292A4 EP 09766443 A EP09766443 A EP 09766443A EP 09766443 A EP09766443 A EP 09766443A EP 2293292 A4 EP2293292 A4 EP 2293292A4
Authority
EP
European Patent Office
Prior art keywords
quantizer
encoder
methods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09766443A
Other languages
German (de)
English (en)
Other versions
EP2293292B1 (fr
EP2293292A1 (fr
Inventor
Toshiyuki Morii
Hiroyuki Ehara
Koji Yoshida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of EP2293292A1 publication Critical patent/EP2293292A1/fr
Publication of EP2293292A4 publication Critical patent/EP2293292A4/fr
Application granted granted Critical
Publication of EP2293292B1 publication Critical patent/EP2293292B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
EP09766443.7A 2008-06-19 2009-06-18 Appareil de quantification, procédé de quantification et appareil de codage Not-in-force EP2293292B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008161020 2008-06-19
PCT/JP2009/002780 WO2009153995A1 (fr) 2008-06-19 2009-06-18 Quantificateur, codeur et procédés associés

Publications (3)

Publication Number Publication Date
EP2293292A1 EP2293292A1 (fr) 2011-03-09
EP2293292A4 true EP2293292A4 (fr) 2012-05-23
EP2293292B1 EP2293292B1 (fr) 2013-06-05

Family

ID=41433913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09766443.7A Not-in-force EP2293292B1 (fr) 2008-06-19 2009-06-18 Appareil de quantification, procédé de quantification et appareil de codage

Country Status (5)

Country Link
US (1) US8473288B2 (fr)
EP (1) EP2293292B1 (fr)
JP (1) JP5425066B2 (fr)
RU (1) RU2486609C2 (fr)
WO (1) WO2009153995A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5383676B2 (ja) * 2008-05-30 2014-01-08 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
WO2009153995A1 (fr) * 2008-06-19 2009-12-23 パナソニック株式会社 Quantificateur, codeur et procédés associés
RU2636126C2 (ru) * 2012-10-05 2017-11-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство для кодирования речевого сигнала с использованием acelp в автокорреляционной области
WO2015092483A1 (fr) 2013-12-17 2015-06-25 Nokia Technologies Oy Codeur de signal audio
JP6139419B2 (ja) * 2014-01-06 2017-05-31 日本電信電話株式会社 符号化装置、復号装置、符号化方法、復号方法、およびプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085643A1 (fr) * 2002-04-10 2003-10-16 Koninklijke Philips Electronics N.V. Codage de signaux stereo

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JPH01240032A (ja) 1988-03-22 1989-09-25 Toshiba Corp 適応kl変換符号化方式及びその復号化方式
FR2756399B1 (fr) * 1996-11-28 1999-06-25 Thomson Multimedia Sa Procede et dispositif de compression video pour images de synthese
JP3335605B2 (ja) 2000-03-13 2002-10-21 日本電信電話株式会社 ステレオ信号符号化方法
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
ATE459957T1 (de) * 2002-04-10 2010-03-15 Koninkl Philips Electronics Nv Kodierung und dekodierung für mehrkanalige signale
KR100446630B1 (ko) * 2002-05-08 2004-09-04 삼성전자주식회사 음성신호에 대한 벡터 양자화 및 역 벡터 양자화 장치와그 방법
KR100981699B1 (ko) * 2002-07-12 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
WO2004097797A1 (fr) * 2003-05-01 2004-11-11 Nokia Corporation Procede et dispositif de quantification de gain utilises pour le codage de la parole en bande large a debit binaire variable
CN102122509B (zh) * 2004-04-05 2016-03-23 皇家飞利浦电子股份有限公司 多信道解码器和多信道解码方法
CN1973320B (zh) * 2004-04-05 2010-12-15 皇家飞利浦电子股份有限公司 立体声编码和解码的方法及其设备
JP5046653B2 (ja) * 2004-12-28 2012-10-10 パナソニック株式会社 音声符号化装置および音声符号化方法
ATE470930T1 (de) * 2005-03-30 2010-06-15 Koninkl Philips Electronics Nv Skalierbare mehrkanal-audiokodierung
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
WO2006129615A1 (fr) * 2005-05-31 2006-12-07 Matsushita Electric Industrial Co., Ltd. Dispositif et procede de codage evolutifs
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
JP3981399B1 (ja) 2006-03-10 2007-09-26 松下電器産業株式会社 固定符号帳探索装置および固定符号帳探索方法
CN101401152B (zh) * 2006-03-15 2012-04-18 法国电信公司 通过多通道音频信号的主分量分析进行编码的设备和方法
FR2898725A1 (fr) 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
JP2008161020A (ja) 2006-12-26 2008-07-10 Brother Ind Ltd 磁石埋込型回転電機
BRPI0809940A2 (pt) * 2007-03-30 2014-10-07 Panasonic Corp Dispositivo de codificação e método de codificação
KR101450940B1 (ko) * 2007-09-19 2014-10-15 텔레폰악티에볼라겟엘엠에릭슨(펍) 멀티채널 오디오의 조인트 인핸스먼트
WO2009153995A1 (fr) * 2008-06-19 2009-12-23 パナソニック株式会社 Quantificateur, codeur et procédés associés

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085643A1 (fr) * 2002-04-10 2003-10-16 Koninklijke Philips Electronics N.V. Codage de signaux stereo

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VIRETTE: "PARAMETRIC CODING OF STEREO AUDIO BASED ON PRINCIPAL COMPONENT ANALYSIS", PROC. OF THE CONFERENCE ON DIGITAL AUDIO EFFECTS, 18 September 2006 (2006-09-18), XP002579979 *

Also Published As

Publication number Publication date
US8473288B2 (en) 2013-06-25
RU2486609C2 (ru) 2013-06-27
WO2009153995A1 (fr) 2009-12-23
JPWO2009153995A1 (ja) 2011-11-24
EP2293292B1 (fr) 2013-06-05
JP5425066B2 (ja) 2014-02-26
US20110125495A1 (en) 2011-05-26
EP2293292A1 (fr) 2011-03-09
RU2010151983A (ru) 2012-06-27

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